<http://schema.org/image>
<https://d3ds0r8ijvk7u6.cloudfront.net/wp-content/uploads/sites/3/2016/04/22140043/21-ways-to-create-amazing-facebook-posts-header.jpg>
<http://blog.wishpond.com/post/53926393458/21-ways-to-create-amazing-facebook-posts-to-promote>